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Official data from INPI

ASSENTO PROVIDO DE UM ESTOFADO AFIXADO A UMA CARCAÇA DE SUSTENTAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8100741

Type

Invention Patent

Filing

02/06/1981

Publication

-

Progress at the INPI

  1. Filing02/06/81
  2. Publication
  3. Examination08/16/83
  4. Allowance08/20/85
  5. Grant04/29/86
  6. Expired03/19/96

The letters patent expired on 03/19/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Wilkhahn Wilkening + Hahne GMBH + Co.

DE

Inventors

F. K. (pessoa física)

S. W. (pessoa física)

W. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 04 585.3 · 02/08/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

12/24/1985

RPI 792

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

10/16/1984

RPI 730

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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